1345241 has 2 divisors, whose sum is σ = 1345242. Its totient is φ = 1345240.

The previous prime is 1345231. The next prime is 1345243. The reversal of 1345241 is 1425431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 990025 + 355216 = 995^2 + 596^2 .

It is a cyclic number.

It is not a de Polignac number, because 1345241 - 2⁶ = 1345177 is a prime.

It is a super-3 number, since 3×1345241³ = 7303340353337497563, which contains 333 as substring.

Together with 1345243, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (1345243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672620 + 672621.

It is an arithmetic number, because the mean of its divisors is an integer number (672621).

2^1345241 is an apocalyptic number.

It is an amenable number.

1345241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1345241 is an equidigital number, since it uses as much as digits as its factorization.

1345241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 480, while the sum is 20.

The square root of 1345241 is about 1159.8452482982. The cubic root of 1345241 is about 110.3909231230.

It can be divided in two parts, 13 and 45241, that added together give a palindrome (45254).

The spelling of 1345241 in words is "one million, three hundred forty-five thousand, two hundred forty-one".